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OBTURATION NUCLEAIRE
OBTURATION NUCLEAIREOBTURATION NUCLEAIREOBTURATION NUCLEAIREOBTURATION NUCLEAIREOBTURATION NUCLEAIREOBTURATION NUCLEAIREOBTURATION NUCLEAIREOBTURATION NUCLEAIRE

Plugging has been a major topic of development from PRONAL for more than 20 years, the range of stoppers is large enough to cover many applications. ...Read more

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Plugging has been a major topic of development from PRONAL for more than 20 years, the range of stoppers is large enough to cover many applications. Due to the evolution of safety nuclear regulations, new complicated challenges came up on the market, that PRONAL took up to seek new sealing solutions.

PRONAL’s intervention team is qualified to implement the solutions on Nuclear site. Today, PRONAL offers a complete package, from product design, installation & retrieval of equipments on site to its re-conditionning and storage.


The PRONAL’s plug range is serving various applications such as :

  • Hydraulic stopper for decontamination
  • Mechanical plug for valve
  • Removable system for hydraulic test of re-heaters
  • Inflatable stopper for chemical operation
  • Chemical spill stoppe
  • Inflatable stopper to prevent against FME risks
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Energy sector

Standard or customized range's design of seal, lifting bag, tank, stopper and compensator

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